Create Icons to Start the Screensaver on Windows 7
Create Screensaver Icon
Right-click on the desktop and choose New \ Shortcut from the menu.
In order to launch the screensaver, you’ll need to enter the full path to the screensaver file, followed by “/s”
You would want to substitute the name of the screensaver where you see “Bubbles.scr” above. Also note that I used %systemroot% instead of C:\windows because not every install uses the C: drive.
If you don’t know the filename, you can browse down to your system32 folder and then search for “.scr” using the search box:
You should see all of the names of all the screensavers installed on your system, which you can use in the location field.